PID: 8114   TASK: ffff8cc8bb55cf80  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffa750447bb678] machine_kexec at ffffffffb8c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa750447bb6d0] __crash_kexec at ffffffffb8e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa750447bb790] crash_kexec at ffffffffb8e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa750447bb7a8] oops_end at ffffffffb8c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa750447bb7c8] no_context.cold.27 at ffffffffb8ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa750447bb820] __bad_area_nosemaphore at ffffffffb8ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa750447bb868] bad_area_nosemaphore at ffffffffb8ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa750447bb870] do_user_addr_fault at ffffffffb8ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa750447bb8c0] __do_page_fault at ffffffffb8ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa750447bb8e0] do_page_fault at ffffffffb8ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa750447bb910] page_fault at ffffffffb9c00f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_size+32]
    RIP: ffffffffc05b9e20  RSP: ffffa750447bb9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8cc8a4416000  RCX: 0000000000000002
    RDX: ffff8cc8bee0ee00  RSI: 00000000b0000202  RDI: ffff8cc7899ddc80
    RBP: 0000000000000002   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8cc8aeddfa80  R11: ffff8cc8bf151278  R12: ffff8cc78b618000
    R13: ffff8cc8bf560000  R14: ffff8cc78b618000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa750447bb9c0] osd_bufs_put at ffffffffc1caad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa750447bba08] ofd_release_chunk_lnb at ffffffffc215e882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa750447bba30] ofd_commitrw_write at ffffffffc214a376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa750447bbad0] ofd_commitrw at ffffffffc215207c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa750447bbba8] tgt_brw_write at ffffffffc14bd588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa750447bbd78] tgt_handle_request0 at ffffffffc14b5bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa750447bbda8] tgt_request_handle at ffffffffc14b7895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa750447bbe28] ptlrpc_server_handle_request at ffffffffc13af9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa750447bbe90] ptlrpc_main at ffffffffc13b2bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa750447bbf10] kthread at ffffffffb8d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa750447bbf50] ret_from_fork at ffffffffb9c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330